diff --git a/toolchain/check/eval.cpp b/toolchain/check/eval.cpp
index b90aa8ad814a8..ff4b41cce076c 100644
--- a/toolchain/check/eval.cpp
+++ b/toolchain/check/eval.cpp
@@ -1107,8 +1107,8 @@ static auto MakeConstantForBuiltinCall(Context& context, SemIRLoc loc,
     case SemIR::BuiltinFunctionKind::None:
       CARBON_FATAL("Not a builtin function.");
 
-    case SemIR::BuiltinFunctionKind::PrintInt:
     case SemIR::BuiltinFunctionKind::PrintChar:
+    case SemIR::BuiltinFunctionKind::PrintInt:
     case SemIR::BuiltinFunctionKind::ReadChar: {
       // These are runtime-only builtins.
       // TODO: Consider tracking this on the `BuiltinFunctionKind`.
diff --git a/toolchain/lower/handle_call.cpp b/toolchain/lower/handle_call.cpp
index bee2f30ef98ca..f3af55cb769c4 100644
--- a/toolchain/lower/handle_call.cpp
+++ b/toolchain/lower/handle_call.cpp
@@ -76,6 +76,21 @@ static auto HandleBuiltinCall(FunctionContext& context, SemIR::InstId inst_id,
     case SemIR::BuiltinFunctionKind::None:
       CARBON_FATAL("No callee in function call.");
 
+    case SemIR::BuiltinFunctionKind::PrintChar: {
+      auto* i32_type = llvm::IntegerType::getInt32Ty(context.llvm_context());
+      llvm::Value* arg_value = context.builder().CreateSExtOrTrunc(
+          context.GetValue(arg_ids[0]), i32_type);
+      auto putchar = context.llvm_module().getOrInsertFunction(
+          "putchar", i32_type, i32_type);
+      auto* result = context.builder().CreateCall(putchar, {arg_value});
+      context.SetLocal(
+          inst_id,
+          context.builder().CreateSExtOrTrunc(
+              result, context.GetType(
+                          context.sem_ir().insts().Get(inst_id).type_id())));
+      return;
+    }
+
     case SemIR::BuiltinFunctionKind::PrintInt: {
       auto* i32_type = llvm::IntegerType::getInt32Ty(context.llvm_context());
       auto* ptr_type = llvm::PointerType::get(context.llvm_context(), 0);
@@ -93,21 +108,6 @@ static auto HandleBuiltinCall(FunctionContext& context, SemIR::InstId inst_id,
       return;
     }
 
-    case SemIR::BuiltinFunctionKind::PrintChar: {
-      auto* i32_type = llvm::IntegerType::getInt32Ty(context.llvm_context());
-      llvm::Value* arg_value = context.builder().CreateSExtOrTrunc(
-          context.GetValue(arg_ids[0]), i32_type);
-      auto putchar = context.llvm_module().getOrInsertFunction(
-          "putchar", i32_type, i32_type);
-      auto* result = context.builder().CreateCall(putchar, {arg_value});
-      context.SetLocal(
-          inst_id,
-          context.builder().CreateSExtOrTrunc(
-              result, context.GetType(
-                          context.sem_ir().insts().Get(inst_id).type_id())));
-      return;
-    }
-
     case SemIR::BuiltinFunctionKind::ReadChar: {
       auto* i32_type = llvm::IntegerType::getInt32Ty(context.llvm_context());
       auto getchar =
diff --git a/toolchain/sem_ir/builtin_function_kind.cpp b/toolchain/sem_ir/builtin_function_kind.cpp
index a092dda03146a..915c9cc9d6af2 100644
--- a/toolchain/sem_ir/builtin_function_kind.cpp
+++ b/toolchain/sem_ir/builtin_function_kind.cpp
@@ -195,14 +195,14 @@ using FloatT = TypeParam<0, AnyFloat>;
 // Not a builtin function.
 constexpr BuiltinInfo None = {"", nullptr};
 
-// Prints an argument.
-constexpr BuiltinInfo PrintInt = {"print.int",
-                                  ValidateSignature<auto(AnyInt)->NoReturn>};
-
 // Prints a single character.
 constexpr BuiltinInfo PrintChar = {"print.char",
                                    ValidateSignature<auto(AnyInt)->AnyInt>};
 
+// Prints an integer.
+constexpr BuiltinInfo PrintInt = {"print.int",
+                                  ValidateSignature<auto(AnyInt)->NoReturn>};
+
 // Reads a single character from stdin.
 constexpr BuiltinInfo ReadChar = {"read.char",
                                   ValidateSignature<auto()->AnyInt>};
diff --git a/toolchain/sem_ir/builtin_function_kind.def b/toolchain/sem_ir/builtin_function_kind.def
index e4a47978a9918..d74d755da45f2 100644
--- a/toolchain/sem_ir/builtin_function_kind.def
+++ b/toolchain/sem_ir/builtin_function_kind.def
@@ -19,8 +19,8 @@
 CARBON_SEM_IR_BUILTIN_FUNCTION_KIND(None)
 
 // Temporary builtins for primitive IO.
-CARBON_SEM_IR_BUILTIN_FUNCTION_KIND(PrintInt)
 CARBON_SEM_IR_BUILTIN_FUNCTION_KIND(PrintChar)
+CARBON_SEM_IR_BUILTIN_FUNCTION_KIND(PrintInt)
 CARBON_SEM_IR_BUILTIN_FUNCTION_KIND(ReadChar)
 
 // Type factories.